Code	What it covers
D0120	Periodic oral evaluation (recall exam)
D0140	Limited oral evaluation (problem-focused)
D0145	Oral evaluation for a child under 3
D0150	Comprehensive oral evaluation
D0160	Detailed & extensive oral evaluation (by report)
D0170	Re-evaluation (limited, problem-focused)
D0180	Comprehensive periodontal evaluation
D0210	Full-mouth series of X-rays (complete series)
D0220	Periapical X-ray (first image)
D0240	Occlusal X-ray image
D0270	Single bitewing X-ray
D0274	Bitewing X-rays — four images
D0330	Panoramic X-ray
D0367	Cone beam CT (CBCT) scan — full head/jaws
D0431	Oral cancer screening (adjunctive test)
D0460	Pulp vitality tests
D0470	Diagnostic casts (study models)